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<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_50e97f0f0d6194ea2ca37a564cf4a5a8.html">seq</a></li>  </ul>
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<div class="title">seq/stream_iteration.h</div>  </div>
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<a href="seq_2stream__iteration_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;</div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#ifndef GRPPI_SEQ_STREAM_ITERATION_H</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#define GRPPI_SEQ_STREAM_ITERATION_H</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;</div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="sequential__execution_8h.html">sequential_execution.h</a>&quot;</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacegrppi.html">grppi</a>{</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Generator, <span class="keyword">typename</span> Transformer, <span class="keyword">typename</span> Predicate, </div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;         <span class="keyword">typename</span> Consumer&gt;</div><div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="group__stream__iteration__pattern__sequential.html#gaebb9ba456522d48728b470c7140f9788">   50</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="group__stream__iteration__pattern__native.html#gaf495b00aac103ff5a2d3fa708b06c5e2">repeat_until</a>(<a class="code" href="classgrppi_1_1sequential__execution.html">sequential_execution</a>, </div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;                  Generator generate_op, Transformer &amp;&amp; transform_op, </div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;                  Predicate predicate_op, Consumer consume_op)</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;{</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;  <span class="keywordflow">for</span>(;;) {</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    <span class="keyword">auto</span> item = generate_op();</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    <span class="keywordflow">if</span> (!item) <span class="keywordflow">break</span>;</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    <span class="keyword">auto</span> val = *item;</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    <span class="keywordflow">do</span> {</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;      val = transform_op(val);</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    } <span class="keywordflow">while</span> (!predicate_op(val));</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    consume_op(val);</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;  }</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;}</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Generator, <span class="keyword">typename</span> Transformer, <span class="keyword">typename</span> Predicate, </div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;         <span class="keyword">typename</span> Consumer&gt;</div><div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="group__stream__iteration__pattern__sequential.html#ga6f01e674e135b7807e4e8debff617a6f">   81</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="group__stream__iteration__pattern__native.html#gaf495b00aac103ff5a2d3fa708b06c5e2">repeat_until</a>(<a class="code" href="classgrppi_1_1sequential__execution.html">sequential_execution</a> &amp; ex, </div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;                  Generator &amp;&amp; generate_op, </div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;                  <a class="code" href="classgrppi_1_1farm__info.html">farm_info&lt;sequential_execution, Transformer&gt;</a> &amp; farm_obj, </div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;                  Predicate &amp;&amp; predicate_op, Consumer &amp;&amp; consume_op)</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;{</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;  <a class="code" href="group__stream__iteration__pattern__native.html#gaf495b00aac103ff5a2d3fa708b06c5e2">repeat_until</a>(ex, </div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;      std::forward&lt;Generator&gt;(generate_op), </div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;      std::forward&lt;<a class="code" href="classgrppi_1_1farm__info.html">farm_info&lt;sequential_execution,Transformer&gt;</a> &amp;&amp;&gt;(farm_obj), </div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;      std::forward&lt;Predicate&gt;(predicate_op), </div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;      std::forward&lt;Consumer&gt;(consume_op));</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;}</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Generator, <span class="keyword">typename</span> Transformer, <span class="keyword">typename</span> Predicate, </div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;         <span class="keyword">typename</span> Consumer&gt;</div><div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="group__stream__iteration__pattern__sequential.html#gac4d4a71d49b15914a030ef27925dcfbe">  109</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="group__stream__iteration__pattern__native.html#gaf495b00aac103ff5a2d3fa708b06c5e2">repeat_until</a>(<a class="code" href="classgrppi_1_1sequential__execution.html">sequential_execution</a> &amp; ex, </div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;                  Generator generate_op, </div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;                  <a class="code" href="classgrppi_1_1farm__info.html">farm_info&lt;sequential_execution, Transformer&gt;</a> &amp;&amp; farm_obj, </div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;                  Predicate predicate_op, </div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;                  Consumer consume_op)</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;{</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;  <span class="keywordflow">for</span>(;;) {</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    <span class="keyword">auto</span> item = generate_op();       </div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    <span class="keywordflow">if</span> (!item) <span class="keywordflow">break</span>;</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;    <span class="keyword">auto</span> val = *item;</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;    <span class="keywordflow">do</span> {</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;      val = farm_obj.task(val);</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;    } <span class="keywordflow">while</span> (!predicate_op(val));</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;    consume_op(val);</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;  }</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;}</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Generator, <span class="keyword">typename</span> Predicate, <span class="keyword">typename</span> Consumer, </div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;         <span class="keyword">typename</span> ... Transformers&gt;</div><div class="line"><a name="l00141"></a><span class="lineno"><a class="line" href="group__stream__iteration__pattern__sequential.html#gaad23fbd0b8b726bf4855d0738e7d3303">  141</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="group__stream__iteration__pattern__native.html#gaf495b00aac103ff5a2d3fa708b06c5e2">repeat_until</a>(<a class="code" href="classgrppi_1_1sequential__execution.html">sequential_execution</a> &amp; ex, </div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;                  Generator &amp;&amp; generate_op, </div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;                  <a class="code" href="classgrppi_1_1pipeline__info.html">pipeline_info</a>&lt;<a class="code" href="classgrppi_1_1sequential__execution.html">sequential_execution</a>, </div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;                      Transformers...&gt; &amp; pipe_obj, </div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;                  Predicate &amp;&amp; predicate_op, Consumer &amp;&amp; consume_op)</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;{</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;  <span class="keyword">using namespace </span><a class="code" href="namespacestd.html">std</a>;</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;  <a class="code" href="group__stream__iteration__pattern__native.html#gaf495b00aac103ff5a2d3fa708b06c5e2">repeat_until</a>(ex, </div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;      forward&lt;Generator&gt;(generate_op), </div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;      forward&lt;<a class="code" href="classgrppi_1_1pipeline__info.html">pipeline_info</a>&lt;<a class="code" href="classgrppi_1_1sequential__execution.html">sequential_execution</a>, </div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;              Transformers...&gt; &amp;&amp;&gt;(pipe), </div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;      forward&lt;Predicate&gt;(predicate_op), </div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;      forward&lt;Consumer&gt;(consume_op));</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;}</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Generator, <span class="keyword">typename</span> Predicate, <span class="keyword">typename</span> Consumer, </div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;         <span class="keyword">typename</span> ...Transformers&gt;</div><div class="line"><a name="l00171"></a><span class="lineno"><a class="line" href="group__stream__iteration__pattern__sequential.html#gab80754e726ba64139c1f8d97192c4862">  171</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="group__stream__iteration__pattern__native.html#gaf495b00aac103ff5a2d3fa708b06c5e2">repeat_until</a>(<a class="code" href="classgrppi_1_1sequential__execution.html">sequential_execution</a> &amp; ex, </div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;                  Generator generate_op, </div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;                  <a class="code" href="classgrppi_1_1pipeline__info.html">pipeline_info&lt;sequential_execution, Transformers...&gt;</a> &amp;&amp; pipe, </div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;                  Predicate predicate_op, Consumer consume_op)</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;{</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;  <span class="keyword">using namespace </span><a class="code" href="namespacestd.html">std</a>;</div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;  <span class="keywordflow">for</span> (;;) {</div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;    <span class="keyword">auto</span> item = generate_op();</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;    <span class="keywordflow">if</span> (!item) <span class="keywordflow">break</span>; </div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;    <span class="keyword">auto</span> val = *item;</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;    <span class="keywordflow">do</span> {</div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;      <span class="keyword">using</span> generated_type = <span class="keyword">typename</span> result_of&lt;Generator()&gt;::type;</div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;      <span class="keyword">using</span> generated_value_type = <span class="keyword">typename</span> generated_type::value_type;</div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;      <span class="keyword">using</span> pipeline_info_type = <a class="code" href="classgrppi_1_1pipeline__info.html">pipeline_info</a>&lt;<a class="code" href="classgrppi_1_1sequential__execution.html">sequential_execution</a>,</div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;          Transformers...&gt;;</div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;      val = <a class="code" href="namespacegrppi.html#a94f99f5b5ff245645e9fb5fdb9861182">composed_pipeline</a>&lt;generated_value_type,0,Transformers...&gt;(val, </div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;          forward&lt;pipeline_info_type&gt;(pipe));</div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;    } <span class="keywordflow">while</span> (!predicate_op(val));</div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;    consume_op(val);</div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;  }</div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;}</div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;</div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;}</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;</div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;<span class="preprocessor">#endif</span></div><div class="ttc" id="namespacegrppi_html"><div class="ttname"><a href="namespacegrppi.html">grppi</a></div><div class="ttdef"><b>Definition:</b> callable_traits.h:24</div></div>
<div class="ttc" id="classgrppi_1_1pipeline__info_html"><div class="ttname"><a href="classgrppi_1_1pipeline__info.html">grppi::pipeline_info</a></div><div class="ttdef"><b>Definition:</b> patterns.h:29</div></div>
<div class="ttc" id="group__stream__iteration__pattern__native_html_gaf495b00aac103ff5a2d3fa708b06c5e2"><div class="ttname"><a href="group__stream__iteration__pattern__native.html#gaf495b00aac103ff5a2d3fa708b06c5e2">grppi::repeat_until</a></div><div class="ttdeci">void repeat_until(parallel_execution_native &amp;ex, Generator &amp;&amp;generate_op, pipeline_info&lt; parallel_execution_native, MoreTransformers... &gt; &amp;&amp;pipe, Predicate predicate_op, Consumer consume_op)</div><div class="ttdoc">Invoke Stream iteration pattern on a data stream with native parallel execution with a generator...</div><div class="ttdef"><b>Definition:</b> native/stream_iteration.h:55</div></div>
<div class="ttc" id="namespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div><div class="ttdoc">STL namespace. </div></div>
<div class="ttc" id="classgrppi_1_1farm__info_html"><div class="ttname"><a href="classgrppi_1_1farm__info.html">grppi::farm_info</a></div><div class="ttdef"><b>Definition:</b> patterns.h:51</div></div>
<div class="ttc" id="classgrppi_1_1sequential__execution_html"><div class="ttname"><a href="classgrppi_1_1sequential__execution.html">grppi::sequential_execution</a></div><div class="ttdoc">Sequential execution policy. </div><div class="ttdef"><b>Definition:</b> sequential_execution.h:31</div></div>
<div class="ttc" id="namespacegrppi_html_a94f99f5b5ff245645e9fb5fdb9861182"><div class="ttname"><a href="namespacegrppi.html#a94f99f5b5ff245645e9fb5fdb9861182">grppi::composed_pipeline</a></div><div class="ttdeci">void composed_pipeline(InQueue &amp;input_queue, const pipeline_info&lt; parallel_execution_native, MoreTransformers... &gt; &amp;pipe, OutQueue &amp;output_queue, std::vector&lt; std::thread &gt; &amp;tasks)</div><div class="ttdef"><b>Definition:</b> native/pipeline.h:36</div></div>
<div class="ttc" id="sequential__execution_8h_html"><div class="ttname"><a href="sequential__execution_8h.html">sequential_execution.h</a></div></div>
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